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Source code changes of the file "src/common/classes/Hash.cpp" between
Firebird-3.0.2.32703-0.tar.bz2 and Firebird-3.0.4.33054-0.tar.bz2

About: Firebird is a relational database offering many ANSI SQL standard features.

Hash.cpp  (Firebird-3.0.2.32703-0.tar.bz2)	:	Hash.cpp  (Firebird-3.0.4.33054-0.tar.bz2)
skipping to change at line 46		skipping to change at line 46
unsigned int CRC32C(unsigned int length, const unsigned char* value);		unsigned int CRC32C(unsigned int length, const unsigned char* value);
namespace		namespace
{		{
typedef unsigned int (*hash_func_t)(unsigned int length, const UCHAR* val ue);		typedef unsigned int (*hash_func_t)(unsigned int length, const UCHAR* val ue);
unsigned int basicHash(unsigned int length, const UCHAR* value)		unsigned int basicHash(unsigned int length, const UCHAR* value)
{		{
unsigned int hash_value = 0;		unsigned int hash_value = 0;
UCHAR* p;		UCHAR* const p = (UCHAR*) &hash_value;
const UCHAR* q = value;		const UCHAR* q = value;
while (length >= 4)		while (length >= 4)
{		{
p = (UCHAR*) &hash_value;
p[0] += q[0];		p[0] += q[0];
p[1] += q[1];		p[1] += q[1];
p[2] += q[2];		p[2] += q[2];
p[3] += q[3];		p[3] += q[3];
length -= 4;		length -= 4;
q += 4;		q += 4;
}		}
p = (UCHAR*) &hash_value;
if (length >= 2)		if (length >= 2)
{		{
p[0] += q[0];		p[0] += q[0];
p[1] += q[1];		p[1] += q[1];
length -= 2;		length -= 2;
		q += 2;
}		}
if (length)		if (length)
{		{
q += 2;
*p += *q;		*p += *q;
}		}
return hash_value;		return hash_value;
}		}
#if defined(_M_IX86) || defined(_M_X64) || defined(__x86_64__) || defined(__i386 __)		#if defined(_M_IX86) || defined(_M_X64) || defined(__x86_64__) || defined(__i386 __)
bool SSE4_2Supported()		bool SSE4_2Supported()
{		{
End of changes. 5 change blocks.
5 lines changed or deleted		2 lines changed or added

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